As with other drugs, cetirizine can cause side effects, such as drowsiness and sore throat. If you are not able to tolerate side effects from cetirizine, talk with your doctor or pharmacist.

Medically reviewed by Daniel More, MDMedically reviewed by Daniel More, MD Common side effects of Zyrtec (cetirizine ... dose is measured in milligrams (mg). There are recommended dosages for ...

While generally safe, some side effects can occur ... Ages 6 and older: Chew and swallow two tablets 5 milligrams (mg) or ...

Cetirizine HCl 10mg; contains gelatin. Dissolve tabs: may take with or without water. For doses <5mg: use syrup. <2yrs: not recommended. 2–6yrs: initially 2.5mg once daily; max 5mg once daily or ...